French authorities crack down on magnet fishing over fears of World War II bombs

Magnet fishermen pull live WWII grenade from canal, spark bomb scare

World War II ammunition fished out of pond in Germany by children

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Guns, bombs, WWII artifacts found while magnet fishing in Michigan

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World War II ammunition fished out of pond in Germany by children

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What is magnet fishing? Unexploded ordnances found in Charles

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German Submarine Activities on the Atlantic Coast